After looking for something similar some time ago, and also not finding anything suitable, I wrote a simple script that would let you repeat given phrases from

After looking for something similar some time ago, and also not finding anything suitable, I wrote a simple script that would let you repeat given phrases from a text file. I gave it two modes: 1) show a new phrase to type and time the wpm. 2) of all already timed phrases, show the slowest one to be typed and timed again. My observations were that you could in fact increase typing speed for certain areas of input, weak fingers or weak letter combinations. Just showing the slowest phrase is very simplistic, but it does a surprisingly good job. You will only get to see a different phrase if you improved on the current one significantly and learned a new 'skill'. It also automatically does a form of spaced repetition as you normally only increase speed in small steps and will see slow phrases again and again. It didn't bother me much to type in lots of phrases I was already fast at to single out the slow ones. But: after some playing around with it I saw that for many inputs it's mostly a concentration problem, less a finger-mechanical one. How much C code can you type at 100 wpm before running out of things to type? How much C code written by others can you read/parse at > 100 wpm before making a concentration lapse? I haven't used the script in a while and went on to try to single out the slow patterns in every-day typing (mostly the error rate being to high) and then try to figure out why my fingers don't know where to go reliably. I then make an effort to train these patterns a little, maybe correcting an actual mistakes or lazyness in placement.